(Antennaria ambigens Fernald)
(Antennaria fallax Greene)
(Plantain-leaved Everlasting) Native perennial herb.
Habitat: "Rich open woods and fields" (Robinson & Fernald 1908).
Records: Beach of Valentine Creek (As A. fallax) 8/19/1927, E. C. & G. M. Leonard (US) (Stieber 1967). Waysons Corner, open sandy roads (As A. fallax) 4/30/1950, L. B. Smith (US) (Stieber 1967).
Herbaria: US (Stieber 1971).
1218. Anthemis arvensis L. 1753. B&B.1020
(Corn Chamomile)
Much-branched annual herb naturalized from Europe. Ht. 12 in. Ray-flowers white, disk yellow.
Habitat: "A weed...in fields and waste land" (Jaques 1959). "In fields and waste places, often abundant in fall-sown grasses and alfalfa" (Brown & Brown 1984).
Frequency: "Common throughout" (Brown & Brown 1984).
Records: Farm area off Rt. 2, S. of Lothian, by a field 5/21/1966, Stieber 513 (LCU) (Stieber 1967). Near St. James Church, sandy clay along the roadside 8/12/1966, Stieber 512 (LCU) (Stieber 1967).
Herbaria: LCU (Stieber 1971).
1219. Anthemis arvensis L. var. agrestis (Wallr.) DC. B&B: unlisted.
Records: Ivy Neck, solitary beside tractor trail through fields on Scaffold Peninsula, Higman 694 (CBC) (Higman 1977).
Herbaria: CBC. US (Stieber 1971).
1220. Anthemis cotula L. 1753. Shr.496, B&B.1022
(Mayweed, Dog-fennel)
Much-branched annual herb naturalized from Europe. Ht. 1-2 ft. Ray-flowers white, disk yellow. Plant has unpleasant odor.
Habitat: "In fields, waste places, and along roadsides" (Britton 1901). "Cultivated grounds and waste places" (Shreve et al 1910). "A weed...barn-lots and waste land" (Jaques 1959).
Frequency: "Throughout the state; common" (Shreve et al 1910).
Records: Curtis Bay (A. A. Co.? Plitt 5/11/1899). S. of Annapolis, on Chesapeake Bay 8/18/1913, Ivar Tidestrom (US) (Stieber 1967). Near St. James Church, roadside, grassy area 5/21/1966 & 6/11/1966, Stieber 514 (LCU) (Stieber 1967). Quiet Waters Park (Longbottom 1991).
Herbaria: US & LCU (Stieber 1971).
1221. Arctium minus (Hill) Bernh. B&B.1036
(Arctium minus Schk. 1803) Shr.496
(Arctium lappa var. minus A. Gray 1884)
(Lappa officinalis Allioni var. minor)
(Common Burdock, Smaller Burdock)
Large, coarse biennial herb (Ht. 2-5 ft.) naturalized from Europe.
Flowers pink-purple. Burs from axils of leaves.
Habitat: "Waste places and around dwellings, in manured soil" (Gray 1867). "In cultivated grounds" (Shreve et al 1910). "A weed...in neglected rich soil of barnyards and fields" (Jaques 1959). "On rubbish piles, waste places" (Stieber 1971). "In rich soils of barnyards, roadsides, or permanent pastures" (Brown & Brown 1984).
Frequency: "Throughout the state; common" (Shreve et al 1910).
Records: Java Farm, solitary in trash at main building area (site now destroyed), Higman 6 (CBC) (Higman 1977). Fishing Creek Farm (Williams 1986).
Herbaria: CBC. US (Stieber 1971).
1222. Arnica acaulis (Walt.) BSP 1888. B&B.1030
[Arnica acaulis (L.) BSP] Shr.496
(Arnica nudicaulis Nutt. 1818)
(Arnica nudicaulis Ell.)
(Leopard's Bane)
Upright (1-3 ft.) perennial native herb. Ray-flowers & disk yellow.
Habitat: "Damp pine barrens" (Gray 1867). "In low woods" (Britton & Brown 1913). "Sandy, open woods, often in damp soils" (Brown & Brown 1984).
Frequency: "Infrequent in Delaware and the W-B area" (Brown & Brown 1984).
Heritage Rating: 1988: B2 (Highly state rare). 1991: Endangered Extirpated. 1994: S-1 Highly State Rare. Endangered.
Records: Waterford (Plitt 4/29/1905).
1223. Artemesia stelleriana Bess. B&B.1028
(Dusty Miller)
Asian perennial herb becoming naturalized.
Habitat: Sandy sea-beaches" Britton & Brown 1913). "Coastal sands or sometimes inland" (Brown & Brown 1984).
Frequency: "Infrequent on Coastal Plain" (Brown & Brown 1984).
Records: Hancock's Resolution (Envirens 1991).
1224. Aster acuminatus Michx. 1803. Shr.492, B&B.974
(Whorled Aster, Mountain Aster)
Native herb, ht. ca. 12". Rays 12-18, white or slightly purple.
Habitat: "Cool rich woods" (Gray 1867). "Moist woods" (Britton 1901). "In swamps and moist forests" (Shreve et al 1910).
Frequency: "Mountain Zone; infrequent" (Shreve et al 1910).
Records: Java Farm, solitary at forest margin on south side of old field west of spring house road; also in trash on old barn roof; Higman 393, 356 (CBC) (Higman 1977). "In old fields and in rubbish heap at Java Farm" (Stieber 1971).
Herbaria: CBC. US (Stieber 1971).
1225. Aster divaricatus L. 1753. Shr.492, B&B.962
(White Wood Aster, Common White Heart-leaved Aster)
Smooth crooked stem 1.5-2.5 ft. Rays 6-10, white; disk flowers become brownish. Leaves cordate.
Habitat: "In grassy openings in woods, often in dense patches" (Britton 1901). "In moist and dry forests" (Shreve et al 1910). "In open woodlands and thickets, in rather dry soil" (Britton & Brown 1913). "Dry open woods and clearings" (Grimm 1968).
Frequency: "Throughout the state, being infrequent in the Coastal Zone, common in the Midland and Mountain Zones" (Shreve et al 1910). "Common throughout" (Brown & Brown 1984).
Records: Smithsonian property (1993 index to CBC herbarium).
Herbaria: CBC (CBC 1993).
1226. Aster dumosus L. 1753. B&B.971
(Bushy Aster)
Native herb. Ht. 1-3 ft. Rays 15-30, pale purple or blue.
Habitat: "Thickets" (Gray 1867). "Sandy soil" (Robinson & Fernald 1908). "Dry to moist soils of open areas and thickets" (Brown & Brown 1984).
Records: Java Farm, infrequent to moderately abundant in old fields, Higman 339 (CBC) (Higman 1977). Cypress Creek Savanna (Sipple & Klockner 1980, 1984; Whigham 1981).
Herbaria: CBC. US (Stieber 1971).
1227. Aster dumosus var. subulaefolium T. & G. B&B: unlisted.
(Aster)
Records: Java Farm, solitary at roadside near main building, Higman 198 (CBC) (Higman 1977). "One station on a roadside, Java Farm" (Stieber 1971).
Herbaria: CBC. US (Stieber 1971).
1228. Aster ericoides L. 1753. Shr.493, B&B.971
[Virgulus ericoides (L.) Reveal & Keener]
(White Heath Aster, Dense-flowered Aster)
Erect, bushy native perennial herb. Ht. 1-2 ft. Ray flowers 8-20, white. Disk-flowers yellow.
Habitat: "Dry open places" (Gray 1867). "In dry forests and open situations" (Shreve et al 1910). "A weed...fields and waste land" (Jaques 1959). "Dry open soil or in thickets" (Stieber 1971).
Frequency: "Throughout the state; common" (Shreve et al 1910). "Common in midlands and Western Maryland" (Brown & Brown 1984).
Records: Patuxent Community Pond 9/23/1966, Stieber 543 (LCU) (Stieber 1967). Rt. 424 near Rt. 3, edge of a woods 10/29/1966, Stieber 542 (LCU) (Stieber 1967).
Herbaria: LCU (Stieber 1971).
1229. Aster laevis L. 1753. Shr.492, B&B.967
(Smooth Aster)
Native perennial herb. Ray-flowers 15-30, sky-blue.
Habitat: "In moist and dry forests" (Shreve et al 1910). "Fields, open woods and roadsides" (Niering & Olmstead 1979). "Dry soils, open areas" (Brown & Brown 1984).
Frequency: "Frequent throughout; less so on the Coastal Plain" (Brown & Brown 1984).
Records: Near St. James Church, edge of a thicket 10/3/1966, Stieber 544 (LCU) (Stieber 1967).
Herbaria: LCU (Stieber 1971).
1230. Aster lateriflorus (L.) Britton 1889. Shr.493, B&B.971
(Solidago lateriflora L. 1753)
(Calico Aster, Starved Aster)
Spreading or reclining native perennial herb. Ray flowers 9-15, white. Dick-flowers purplish.
Habitat: "In dry forests" (Shreve et al 1910). "A weed...roadsides, waste land" (Jaques 1959). "Fields, thickets" (Niering & Olmstead 1979). "Dry or moist fields and open thickets" (Brown & Brown 1984).
Frequency: "Throughout the state; common" (Shreve et al 1910).
Records: Manresa, open woods 10/3/1966, Stieber 545 (LCU) (Stieber 1967). Java Farm, solitary along shaded Fox Creek drainage, above culvert on new entrance road, Higman 316 (CBC) (Higman 1977).
Herbaria: CBC. US & LCU (Stieber 1971).
1231. Aster linariifolius L. B&B.976
(Stiff-leaved Aster)
Herb. Ray-flowers 10-20, bluish-violet.
Habitat: "Dry clearings, rocky banks" (Niering & Olmstead 1979). "Dry, rocky or sandy soils, usually in woodlands" (Brown & Brown 1984).
Frequency: "Frequent in the Piedmont and south to Wicomico County; also in Prince George's and Garrett Counties" (Brown & Brown 1984).
Records: Between Saw Mill Pond & Glen Burnie (Plitt 9/6/1899). Near junction of West Pasadena & Jumpers Hole Roads, summer of 1990 (Sipple 1993, p.399). On side of West Pasadena Road 8/3/1991 (Sipple 1993).
Aster novi-belgii L. 1753.
B&B.974
(New York Aster)
Native herb. Ray-flowers 20-40, pale blue or purplish.
Habitat: "Low grounds" (Gray 1867). "In damp thickets, meadows, and on shores" (Grimm 1968). "Moist soils of thickets, marshes and meadows" (Brown & Brown 1984).
Frequency: "Mostly on the Coastal Plain" (Brown & Brown 1984).
Records: Java Farm, solitary at main building area, Higman 197 (CBC) (Higman 1977). "One station in main building area at Java Farm" (Stieber 1971). One county fresh-marsh station (on Patuxent) mapped by Sipple 1978. Picture Spring Branch: Nevamar Pond (Ecological Analysts 1983).
Herbaria: CBC. US (Stieber 1971).
1233. Aster patens Ait. 1789. Shr.492, B&B.964
(Late Purple Aster)
Slender native herb; ht. 1-3 ft. Ray-flowers 15-30, violet or blue-purple.
Habitat: "In dry situations" (Shreve et al 1910). "Dry fields and open woods" (Brown & Brown 1984).
Frequency: "Common throughout" (Brown & Brown 1984).
Records: Jug Bay Wetlands Sanctuary (Mason et al 1991).
1234. Aster pilosus Willd. B&B.969
(White Old-field Aster, White Heath Aster) Herb.
Habitat: "Dry fields, thickets, and waste places" (Brown & Brown 1984).
Frequency: "Common" (Brown & Brown 1984).
Records: Near St. James Church, sandy clay 9/16/1966, Stieber 546 (LCU) (Stieber 1967). Patuxent R. at Rt. 50, sandy clay 10/29/1966, Stieber 547 (LCU) (Stieber 1967). Java Farm, infrequent in old fields; also solitary in trash on old barn roof, Higman 355, 426, 513 (CBC) (Higman 1977). Jug Bay Wetlands Sanctuary (Mason et al 1991).
Herbaria: CBC. US & LCU (Stieber 1971).
1235. Aster pilosus Willd. var. demotus Blake B&B.971
(Aster)
Records: Patuxent R. near Rt. 50, near river's edge 10/29/1966, Stieber 548 (LCU) (Stieber 1967).
Herbaria: LCU (Stieber 1967)
1236. Aster pilosus Willd. var. priceae (Britt.) Cronq. B&B: unlisted.
(Aster priceae Britton 1901)
(Miss Price's Aster)
Habitat: "In dry soil" (Britton & Brown 1913).
Range: Ky. to Ga. & Ala. (Gleason & Cronquist 1963).
Records: Rt. 3, S. of jct. Rt. 424, 10/29/1966, Stieber 549 (LCU) (Stieber 1967).
Herbaria: LCU (Stieber 1971).
1237. Aster praealtus Poir. B&B.974
(Willow Aster)
Stout herb to 7 ft. Ray-flowers 20-35, blue-violet or purple.
Habitat: "Moist, low areas" (Brown & Brown 1984).
Frequency: "Allegany and Garrett Counties" (Brown & Brown 1984).
Heritage Rating: 1988: B1 (Regionally rare). 1991: Highly Rare. 1994: S-1 Highly State Rare.
Records: Java Farm, solitary in fresh part of Fox Creek tidal marsh, Higman 492 (CBC) (Higman 1977). "Freshwater in Fox Creek drainage marsh" (Stieber 1971).
Herbaria: CBC. US (Stieber 1971).
1238. Aster puniceus L. 1753. Shr.492, B&B.967
(Purple-stemmed Aster)
Native perennial herb. Ht. 3-6 ft. Ray-flowers pale blue-violet.
Habitat: "Low thickets and swamps" (Gray 1867). "In moist forests, flood plains, and in swamps" (Shreve et al 1910).
Frequency: "Throughout the state; common" (Shreve et al 1910).
Records: Waysons Corner near Patuxent R., dry gravelly soil 9/26/1948, L. B. Smith (US) (Stieber 1967). Odenton, Severn Run at Rt. 170, shaded area 6/14/1966, Stieber 551 (LCU) (Stieber 1967). Rt. 3, S. of jct. Rt. 424, sandy area 10/29/1966, Stieber 550 (LCU) (Stieber 1967). Java Farm, solitary on side of steep ditch of Fox Creek drainage, Higman 321 (CBC) (Higman 1977). Back Creek watershed (Williams 1989). Jug Bay Wetlands Sanctuary (Mason et al 1991).
Herbaria: CBC. US, LCU.
1239. Aster simplex Willd. B&B.974
(Lowland White Aster, White-panicled Aster)
Much-branched native herb. Ht. 3-6 ft.
Habitat: "Shady moist banks" (Gray 1867). "Damp thickets, meadows, and shores" (Niering & Olmstead 1979).
Frequency: "Common throughout" (Brown & Brown 1984).
Records: Java Farm, solitary at source of small stream on forested south slope above Muddy Creek tidal channel, Higman 398 (CBC) (Higman 1977). "Wet ground above tidal portion of Muddy Creek" (Stieber 1971). Jug Bay Wetlands Sanctuary (Mason et al 1991).
Herbaria: CBC. US (Stieber 1971).
1240. Aster subulatus Michx. 1803. Shr.493, B&B.976
(Annual Saltmarsh Aster)
Much-branched native annual. Ray-flowers reduced, purplish or bluish.
Habitat: "In saltmarshes" (Shreve et al 1910).
Records: South R. at Porter Pt., in a saltmarsh of Broad Creek 9/14/1946, E.H.Walker (US) (Stieber 1967). Deale, saltmarsh of Cape Anne 9/26/1948, L. B. Smith (US) (Stieber 1967). Deale, wharf 9/23/1956, Ralph Cluley & E. C. Leonard (US) (Stieber 1967). Manresa, mucky area of the Severn 9/9/1966, Stieber 552 (LCU) (Stieber 1967). Patuxent R. at Rt. 50, moist bank of the river 10/29/1966, Stieber 553 (LCU) (Stieber 1967). Java Farm, infrequent in salt marshes, Higman 210, 267, 447 (CBC) (Higman 1977). One county brackish marsh station (on Magothy) mapped by Sipple 1978. Back Creek watershed (Williams 1989). Beachwood Park (Longbottom 1991). Hancock's Resolution
(Envirens 1991).
Herbaria: CBC. US & LCU (Stieber 1971).
1241. Aster tataricus L.f B&B: unlisted.
[Aster lutescens (Lindl.) T. & G.]
"Suggested by E. J. Hill in 1883 to be a hybrid between A. ptarmicoides and Solidago
riddellii" (Jones, 1963).
(Tatarian Aster)
Herb with light yellow rays.
Habitat: Sandy soil.
Records: Garden area at Hancock's Resolution (Envirens 1991).
1242. Aster tenuifolius L. 1753. Shr.493, B&B.976
(Perennial Saltmarsh Aster, Slender-leaved Aster)
Native perennial herb. Ht. 2-3 ft. Ray-flowers pale bluish-purple.
Habitat: "In salt and brackish marshes" (Shreve et al 1910). "Predominantly saline and brackish shores" (Stieber 1971)
Frequency: "Coastal Zone; common" (Shreve et al 1910).
Records: Churchton, saltmarsh of Cape Anne 9/26/1948, L. B. Smith (US) (Stieber 1967). Java Farm, solitary in Fox Creek salt marsh, Higman 96 (CBC) (Higman 1977). Eight county brackish marsh stations mapped by Sipple 1978. Back Creek watershed (Williams 1989). Beachwood Park (Longbottom 1991).
Sightings: Locust Cove of Bodkin Creek 9/28/1991 (Longbottom pc 1991).
Herbaria: CBC. US (Stieber 1971).
1243. Aster vimineus Lam. 1783. B&B.971
(Small-flowered White Aster, Small White Aster)
Native herb. Ht. 2-5 ft. Rays white.
Habitat: "Moist soil" (Robinson & Fernald 1908). "Dry to moist fields, meadows and shores" (Niering & Olmstead 1979).
Frequency: "Infrequent; fall line to Talbot County...and in the W-B area" (Brown & Brown 1984).
Records: Java Farm, infrequent along flood plain of North Fork of Muddy Creek, in marshy west end of Phalaris meadow, and along Fox Creek drainage, Higman 307 (or var.) (CBC) (Higman 1977). Fishing Creek Farm (Williams 1986). Back Creek watershed (Williams 1989).
Herbaria: CBC? US (Stieber 1971).
1244. Aster vimeneus Lam. var. subdumosus Wieg. B&B: unlisted.
(Aster)
Records: Java Farm, along Fox Creek drainage, (Higman 1977). "Shaded near Fox Creek drainage" (Stieber 1971).
Herbaria: CBC? US (Stieber 1971).
1245. Baccharis halimifolia L. 1753. Shr.493, B&B.318
(Groundsel-tree, High-tide Bush, Eastern Baccharis)
Large native shrub. Leaves alternate.
Habitat: Along the shores of tidal estuaries and marshes. "These sites are generally dry in comparison to the surrounding marsh" (Sipple 1978, p.18).
Frequency: "Coastal Zone; common" (Shreve et al 1910).
Records: Herald Harbor, sandy beach 8/21/1927, E. C. & G. M. Leonard (US) (Stieber 1967). Sandy Point Park, saltmarsh of the bay 9/14/1946, E. H. Walker (US) (Stieber 1967). Churchton, saltmarsh of Cape Anne 9/26/1948, L. B. Smith (US) (Stieber 1967). Manresa, sandy shore of the Severn, no date, Stieber 558 (LCU) (Stieber 1967). Java Farm & Ivy neck, infrequent to moderately abundant in salt marshes, also solitary on sandy beach near Murray's Wharf, and in old field on Java near tributary of Fox Creek; Higman 215, 253, 362 (CBC) (Higman 1977). Nineteen county brackish-marsh stations mapped by Sipple 1978. College Creek Woods (Williams 1986a). Back Creek watershed (Williams 1989). Beachwood Park (Longbottom 1991). Hancock's Resolution (Envirens 1991).
Sightings: Meadow Point on Severn 7/29/1991. Holly Beach Farm (shores of Goose Pond, Moss Pond). Tar Cove, Ross Cove, Blackhole Creek, Cattail Creek, Mill Creek of Magothy, Weems Creek (Longbottom pc 1991).
Herbaria: CBC. US & LCU (Stieber 1971).
1246. Bidens aristosa (Michx.) Britton 1893. B&B.1016
(Coreopsis aristosa Michx. 1803)
(Western Tickseed-sunflower)
Erect, much-branched, native annual or biennial herb. Ht. 1-3 ft. achenes flattened.
Habitat: "Swamps" (Gray 1867). "A weed...in swamps and wet land" (Jaques 1959). "Wet meadows, roadside ditches, abandoned fields, and low ground" (Niering & Olmstead 1979).
Records: Head of South R. estuary & Rt. 450, edge of a woods 9/14/1966, E. H. Walker (US) (Stieber 1967).
Herbaria: US (Stieber 1971).
1247. Bidens bipinnata L. 1753. Shr.495, B&B.1014
(Spanish Needles, Beggarticks)
Erect native annual herb. Ht. 1-4 ft. Stems square. Leaves opposite, 2-3 times pinnately divided. Achenes linear.
Habitat: "Damp soil" (Robinson & Fernald 1908). "In dry and moist situations" (Shreve et al 1910). "A weed...waste land, fields, and gardens" (Jaques 1956). Sandy fields, roadsides, rocky woods.
Frequency: "Throughout the state; common" (Shreve et al 1910).
Records: Manresa, through a moist woods 9/9/1966, Stieber 501 (LCU) (Stieber 1967). Java farm, infrequent to moderately abundant along roadsides and around main building area, Higman 77, 357 (CBC) (Higman 1207). Back Creek watershed (Williams 1989). Jacobsville Park (Longbottom 1991). Hancock's Resolution (Envirens 1991).
Herbaria: CBC. US & LCU (Stieber 1971).
1248. Bidens cernua L. 1753. Shr.495, B&B.1012
(Smaller Bur-marigold, Nodding Beggarticks, Nodding Bur-marigold)
Erect native annual herb. Ht. 2-3 ft. Leaves lanceolate. Flower heads nodding.
Habitat: "A weed...wet places" (Jaques 1959). "Swamps and wet ground" (Niering & Olmstead 1979).
Records: One county fresh-marsh station (on Patuxent) mapped by Sipple 1978.
Herbaria: CBC (CBC 1993).
1249. Bidens comosa (A. Gray) Wiegand 1897 B&B.1012
(Bidens connata Muhl. var. comosa A. Gray 1867)
(Bidens acuta)
Brown & Brown 1984 state that B. connata and B. comosa, once considered distinct, are now
included within B. tripartita L. Gleason & Cronquist 1991 consider the three similar in
appearance, but distinct.
(Strawstem Beggar-ticks, Leafy-bracted Tickseed) Annual herb.
Habitat: "In wet soil" (Britton 1901). "Disturbed habitats, often somewhat drier than those of B. connata" (Gleason & Cronquist 1991).
Records: Kinder Park (Longbottom 1993).
1250. Bidens coronata (L.) Fisch. var. trichosperma (Michx.) Fernald B&B.1016
[Bidens trichosperma (Michx.) Britton 1893]
(Coreopsis trichosperma Michx. 1803)
(Tall Tickseed-sunflower)
Tall (2-5 ft.) native annual or biennial herb. Leaves pinnately divided. Achenes flattened.
Habitat: "In swamps and wet meadows" (Britton & Brown 1913). "A weed...in wet places" (Jaques 1959).
Frequency: "has been collected in Prince Georges County" (Brown & Brown 1984).
Heritage Rating: 1994: S2S3
Records: Shore at Marley Creek Bridge (Plitt 9/6/1899).
Herbaria: CBC (CBC 1993).
1251. Bidens frondosa L. 1753. B&B.1014
(Devil's Beggar-ticks, Tall Beggar-ticks)
Native annual herb. Leaves opposite, once pinnately divided. Ray-flowers absent. Achenes flattened.
Habitat: "In moist soil, often a weed in fields" (Britton & Brown 1913). "Prefers damp ground...a weed in waste places, pastures, and cultivated ground" (Fogg 1956).
Frequency: "Probably our most abundant species...especially frequent on the Coastal Plain and in the Piedmont" (Brown & Brown 1984).
Records: Rt. 3, S. of jct. 424, in sandy area 9/23/1966, Stieber 500 (LCU) (Stieber 1967). One county fresh-marsh station (on Magothy) mapped by Sipple 1978.
Herbaria: LCU (Stieber 1971).
1252. Bidens laevis (L.) B.S.P. 1888. Shr.495, B&B.1012
(Helianthus laevis L. 1753)
(Larger Bur-marigold, Smooth Bur-marigold, Brook Sunflower)
Erect native annual or perennial herb. Ht. 1-3 ft. Leaves lanceolate. Ray flowers 8-10, golden yellow.
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